Milwaukee® Shockwave Impact Duty™ Socket Adapters are engineered for extreme durability. Made from proprietary steel and heat treated to control hardness, the Shockwave Impact Duty™ Socket Adapters provide fastening capabilities with all impacts. Broadly targeting cordless users, the Shockwave Impact Duty™ accessory line is not only ideal for heavy duty impact applications, but delivers a full system solution for all the user's drilling and fastening needs.